Apparatus for manufacturing carbon-black



(No Model.) a Sheets-Sheet 1.

J..T. DYSART.

APPARATUS FOR MANUFACTURING CARBON BLAGK;

No. 266,953. Patented Oct. 31, 1882.

N. rams. mwun npm, Walhingbm n. c.

- (No Model.) 3 Sheets-Sheet 2;

Y I I fl U L J. T. DYSART.

APPARATUS FOR MANUFACTURING CARBON BLAGK.

No. 266353. Patented Oct. 31,1882. 7.r7 E I Q T I P l T I 0' w F V I V II (No Model.) 3 Sheets-Sheet 3. J. T. DYSART.

APPARATFS FOR 'MANUFAOTURING CARBON BLACK. Z66

Patented Oct. 31, 1882.

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WITNESSES n. PETERS, PiwwLifipnglaphur. Washington. a a

UNITED STATES PATENT OFFICE.

JOHN T. DYSART, or SALINEVILLE,

OHIO, ASSIGNOR TO HIMSELF AND JACOB FOX, OF PHILADELPHIA, PENNSYLVANIA.

SPECIFICATION forming part of Letters Patent No. 266,953, dated October31, 1882.

Application filed May EZO, 1882. (No model.)

To all whom it may concern Be it known that 1, JOHN T. DYSART, ofSalineville, in the county of Columbiana and State of Ohio, haveinvented certain new and useful Improvements in Apparatus forMannfacturing Carbon-Black andl do hereby declare the following to be afull, clear, and eX- act description of the invention, such as willenable others skilled in the art to which it pertains to make and usethe same.

My invention relates to an improvement in apparatus for the manufactureofcai hon-black, the object being to provide a device of this characterwhich shall combine simplicity and I5 cheapness of construction withdurability and efliciency in use, and which shall be adapted to producea superior quality of carbon-black. With these objects in view myinvention consists in certain details of construction and combinationsof parts, as will be hereinafter described, and pointed out in theclaims.

In the accompanying drawings, Figure 1 is a view in end elevation of anapparatus for the manufacture of carbon-black, the same beingconstructed in accordance with myinvention. Fig. 2 is a view in sideelevation of the devices associated with one depositing-surface andcarriage. Fig. 3 is a view in front elevation of the devices shown inFig. 2, and Fig. 4

0 is a plan view of the system of gas-supply pipes.

A represents a building designed and adapted to inclose my improvedapparatus. to which natural gas is supplied from the well B through 5the primary pipe G, the same. being provided with gas-escape pipes 1)and with a valve, E. The escape of gas from the pipes D is regulated byvalves F, which are appropriately manipulated, as the force with whichthe gas es- 0 capes from the well varies, to maintain an equilibrium ofpressure in the gas supplied to the apparatus. The constancy of thegas-supply is an important factor in the manufacture of carbon-black, inthat it insures homogeniety 5 in the product, the black disengagedfrom aflame sustained by an oscillating gas-supply varying in quality and incolor. The said pipe 0 delivers the gas into the pipe G, to the oppositeends of which the pipes H are attached, the

latter being connected by the parallel burnerpipes I.

Valves J, located in the pipe G, and on opposite sides of the pipe 0,respectively, are designed to offer additional facilities for regulatingthe inflow of gas to the burner-pipes I, which are themselves providedwith valves K for regulating the amount supplied to the burners. Theobject in making such ample provision for regulating the inflow of gasboth into the main supply and into the burner-pipes is '60 to providemeans not only for regulating the gas-supply to the whole apparatus butalso for meeting the various contingencies operating to cause thedifferent pipes to supply under an equal pressure an unequal volume ofgas, and resulting from accumulations in the pipes, from incrustationson the burners, or from other causes of like nature.

Frames L, situated side by side, are adapted to support inclinedmetallic pans M, which are suspended from the said frames by means ofthe depending bars N. The outer surfaces ofthe bottom portions, 0, ofthe said pans constitute the surface upon which the carbon is depositedas it is disengaged from the flames 0f the burning gas, these surfacesbeing coated with a thin layer, P, of asbestus, applied in any desiredmanner, but preferably as a thick paint.

Suitable inlet and outlet water-pipes (desig- 8c nated by Qand 1%,respectively) are connected with the pans and arranged to pass currentsof water over their bottom portions for the purpose of keeping the samecool, the transit of the water over the said surfaces being ac- 8celerated by their pitch or inclination.

By maintaining the bottom portions of the pans, and hence thedepositing-surfaces, at a constant and low temperature, the depositionof the carbon is facilitated, and it is pre- Vented from becomingbrowned after deposition, retaining that peculiar blue-black color whichit is desirable to preserve, but which is destroyed if the carbon issubjected to any great degree of heat. The depositing-surfaces 5 of myapparatus, however, become but slightly heated, because the asbestus,against which the gas-flames impinge, being a non-conductor,

imparts comparatively little heat to the metal surfaceto which it isattached, which latteris cooled, as described, by running water. In casethe radiation of heat from the ashestus is alone sufficient to maintainthe depositing-surfaces at the desired temperature, the deflection ofwater over their upper faces may be dispensed with. It is in virtue ofthis construction that the manufacture of the carbon-black may becontinuously maintained, it being unnecessary to discontinue theoperation to permit the depositing-surfaces to cool.

Each of the pipes I is provided with a traveling receptacle or carriageto gather the black after its deposition. The depending portions S ofthe said carriages, which are centrally cut away to adapt them to fitover the pipes, are provided with drawers T, adapted to be readilyremoved, emptied, and replaced as often as need be. The carriages areprovided on each side with two vertical posts, U, having small wheels Vattached to them, which travel on the projecting ledges W of the bottomportions, 0, of the pans M.

The carbon is removed from the depositingsurfaces by means of brushes X,secured in clamps Y, the opposite ends of which are inserted in verticalslots Z, formed in the opposite sides of the carriages. The said clamps,in which the brushes are mounted, are adapted to have free verticalreciprocation in the slots Z, and also to be deflected from side to sidetherein, the brushes being held against the depositing-surfaces by meansof weighted levers A, pivotally secured to the inner side walls of thecarriages, and arranged substantially as shown. As the motion of thecarriage is reversed the clamps and brushes will be deflected in theopposite direction, thus preventing the latter from binding on thedepositingsurfaces. After the carbon is disengaged from thedepositing-surfaces it will fall into the carriages, being deflected bythe curved lower Walls, B, thereof into the drawers before described.The carriages are actuated to and fro beneath the depositing-surfaces atregular intervals by any desired motor, a system of weights having beenfound to admirably fulfill all of the requirements demanded of themotive power.

Depositing-surfaces constructed as described and cooled by a watercurrent are maintained at a temperature at which the deposition of theparticles of carbon in the gas is the most freely effected, and at thetemperature at which it is deposited in its most desirable color.

It is evident that in complying with the requirementsresulting from theoscillation of the ordinary practical conditions some changes in theapparatus may be necessary. I would therefore have it understood that Ido not limit myself to the exact'construction and arrangements of partsherein shown and described,but that I hold myself at liberty to makesuch alterations as fairly fallwithin the spirit and scope of myinvention.

What I claim as new, and desire to secure by Letters Patent, is-

1. In an apparatus for manufacturing carbon-black, a depositing-surfaceconsisting of a metallic surface faced with asbestus, substantially asset forth.

2. In an apparatus for manufacturing carbon-black, a depositing-surfacefaced with asbestus, and provided with means for deflecting a current ofwater over the upper face of said depositing-surface for the purpose ofcooling it, substantially as set forth.

3. In an apparatus for manufacturing carbon-black, the combination, witha depositingsurface, of a'traveling carriage to receive thecarbon-black, a clamp mounted in and adapted to be verticallyreciprocated and laterally deflected in slots formed in opposite sidesof the carriage, and a brush mounted in the clamp, substantially as setforth.

4. In an apparatus for manufacturing carbon-black, the combination, witha depositingsurface, of a traveling carriage to receive thecarbon-black, a clamp mounted in and adapted to bevverticallyreciprocated and laterally deflected in slots formedin opposite sides ofthe carriage, a brush mounted in the clamp, and weighted levers to presson the bottom of the clamp and hold the brush against thedepositingsurface, substantially as set forth. a

In testimony whereof I have signed this specification in the presence oftWo subscribing witnesses. Q

JOHN T. DYSART.

Witnesses:

GEO. D. SEYMoUR, FRANK OSGOOD MOGLEARY.

